<?php

if (! defined('BASEPATH'))
    exit('No direct script access allowed');
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.1.6 or newer
 *
 * @package CodeIgniter
 * @author ExpressionEngine Dev Team
 * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
 * @license http://codeigniter.com/user_guide/license.html
 * @link http://codeigniter.com
 * @since Version 1.0
 * @filesource
 *
 */
    
// ------------------------------------------------------------------------

/**
 * CodeIgniter Number Helpers
 *
 * @package CodeIgniter
 * @subpackage Helpers
 * @category Helpers
 * @author ExpressionEngine Dev Team
 * @link http://codeigniter.com/user_guide/helpers/number_helper.html
 */
    
// ------------------------------------------------------------------------

/**
 * Formats a numbers as bytes, based on size, and adds the appropriate suffix
 *
 * @access public
 * @param
 *            mixed // will be cast as int
 * @return string
 */
if (! function_exists('byte_format')) {

    function byte_format ($num, $precision = 1)
    {
        $CI = & get_instance();
        $CI->lang->load('number');
        
        if ($num >= 1000000000000) {
            $num = round($num / 1099511627776, $precision);
            $unit = $CI->lang->line('terabyte_abbr');
        } elseif ($num >= 1000000000) {
            $num = round($num / 1073741824, $precision);
            $unit = $CI->lang->line('gigabyte_abbr');
        } elseif ($num >= 1000000) {
            $num = round($num / 1048576, $precision);
            $unit = $CI->lang->line('megabyte_abbr');
        } elseif ($num >= 1000) {
            $num = round($num / 1024, $precision);
            $unit = $CI->lang->line('kilobyte_abbr');
        } else {
            $unit = $CI->lang->line('bytes');
            return number_format($num) . ' ' . $unit;
        }
        
        return number_format($num, $precision) . ' ' . $unit;
    }
}


/* End of file number_helper.php */
/* Location: ./system/helpers/number_helper.php */